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Contract OI history

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Jun 17, 2027 EXPIRATION

PFE $35.00 Put

PFE270617P00035000

Latest saved OI667Oct 23, 2026
Last change+302vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $35.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6673330 2026-10-02: 365 OI2026-10-05: 365 OI2026-10-06: 365 OI2026-10-07: 365 OI2026-10-08: 365 OI2026-10-09: 365 OI2026-10-13: 365 OI2026-10-14: 365 OI2026-10-15: 365 OI2026-10-16: 365 OI2026-10-21: 365 OI2026-10-23: 667 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

PFE contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing667+302
Oct 21, 20263650
Oct 16, 20263650
Oct 15, 20263650
Oct 14, 20263650
Oct 13, 20263650
Oct 09, 20263650
Oct 08, 20263650
Oct 07, 20263650
Oct 06, 20263650
Oct 05, 20263650
Oct 02, 2026365No prior observation